CN204616310U - Device suppressed by small-power wheel tractor - Google Patents

Device suppressed by small-power wheel tractor Download PDF

Info

Publication number
CN204616310U
CN204616310U CN201520258273.6U CN201520258273U CN204616310U CN 204616310 U CN204616310 U CN 204616310U CN 201520258273 U CN201520258273 U CN 201520258273U CN 204616310 U CN204616310 U CN 204616310U
Authority
CN
China
Prior art keywords
oil
oil cylinder
banked
control valves
hydraulic jack
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201520258273.6U
Other languages
Chinese (zh)
Inventor
胡贵龙
刘伟
孟凡昂
程振
沈涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Changlindao Yicifaer Machinery Co Ltd
Original Assignee
Shandong Changlindao Yicifaer Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Changlindao Yicifaer Machinery Co Ltd filed Critical Shandong Changlindao Yicifaer Machinery Co Ltd
Priority to CN201520258273.6U priority Critical patent/CN204616310U/en
Application granted granted Critical
Publication of CN204616310U publication Critical patent/CN204616310U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a kind of small-power wheel tractor to suppress device, comprise lifter, there is in lifter a hydraulic jack, lifter is connected with lifting arm, lifting arm lower end and lower link hinged, also comprise oil adsorption filter, oil suction gear pump, oil return cleaner, the floating banked direction control valves of band, right oil cylinder, left oil cylinder, described oil suction gear pump one end is connected to hydraulic jack by oil adsorption filter, the route of the other end and the floating banked direction control valves of band is connected, the described band banked direction control valves that floats connects right oil cylinder again successively, left oil cylinder, described right oil cylinder, left cylinder upper end is all hinged with lifting arm, the float loop of banked direction control valves of described band is connected to hydraulic jack by oil return cleaner again, described lifter is also installed a position control operating grip, described operating grip is connected by Q type support and the floating banked direction control valves of band.The utility model solves hard soil property middle low power wheel tractor farm machinery and to bury difficulty, problem that ploughing depth is shallow.

Description

Device suppressed by small-power wheel tractor
Technical field
The utility model relates to tractor servicing unit, and device suppressed by especially a kind of small-power wheel tractor.
Background technology
At present, domestic existing middle low power wheel tractor great majority only can realize the lifting of farm machinery, and decline is the passive decline of deadweight relying on farm machinery.Burying for the existence of hard soil property, speed is slow, shallow defect of burying.
Through retrieval, do not find that existing tractor can have and make farm machinery force the device buried.
Summary of the invention
The purpose of this utility model is to provide a kind of small-power wheel tractor and suppresses device, solves hard soil property middle low power wheel tractor farm machinery and to bury difficulty, problem that ploughing depth is shallow.
The purpose of this utility model realizes by following technical measures:
This small-power wheel tractor is suppressed device and is comprised lifter, there is in lifter a hydraulic jack, lifter is connected with lifting arm, lifting arm lower end and lower link hinged, also comprise oil adsorption filter, oil suction gear pump, oil return cleaner, the floating banked direction control valves of band, right oil cylinder, left oil cylinder, described oil suction gear pump one end is connected to hydraulic jack by oil adsorption filter, the route of the other end and the floating banked direction control valves of band is connected, the described band banked direction control valves that floats connects right oil cylinder again successively, left oil cylinder, described right oil cylinder, left cylinder upper end is all hinged with lifting arm, the float loop of banked direction control valves of described band is connected to hydraulic jack by oil return cleaner again, described lifter is also installed a position control operating grip, described operating grip is connected by Q type support and the floating banked direction control valves of band.
The purpose of this utility model also realizes by following technical measures:
Described right oil cylinder, left oil cylinder are all connected with respective limit valve.
Described right oil cylinder is also connected with to delay and falls valve, and described right oil cylinder connects limit valve successively, delays and fall valve, is then connected to the loop of the floating banked direction control valves of band.
Described lifting arm is also connected to operating grip by the position gag lever post of self front end.
Described operating grip is to when promoting position, oil suction gear pump is through oil adsorption filter, inlet line oil suction from the hydraulic jack lifter, the hydraulic oil produced is through high-pressure oil pipe, right oil cylinder lower oil cavitie is entered by being with floating banked direction control valves, the lower oil cavitie of left oil cylinder is entered by left oil cylinder lift line, left oil cylinder upper oil cavitie enters right oil cylinder upper oil cavitie by doing oil cylinder decline pipeline, then banked direction control valves is got back to by right oil cylinder decline pipeline, eventually pass return line, oil return cleaner enters hydraulic jack, complete the lifting of suppressing device;
When hydraulic jack control crank is to decline position, oil suction gear pump is through oil adsorption filter, inlet line oil suction from the hydraulic jack lifter, the hydraulic oil produced is through high-pressure oil pipe, right oil cylinder upper oil cavitie is entered by being with floating banked direction control valves, the upper oil cavitie of left oil cylinder is entered by left oil cylinder decline pipeline, left oil cylinder lower oil cavitie promotes and falls pipeline by making oil cylinder and enter right oil cylinder lower oil cavitie, then banked direction control valves is got back to by right oil cylinder lift line, eventually pass return line, oil return cleaner enters hydraulic jack, complete the decline of suppressing device;
When control crank is to neutral position, oil suction gear pump is through oil adsorption filter, inlet line oil suction from the hydraulic jack lifter, the hydraulic oil produced is through high-pressure oil pipe, by being with floating banked direction control valves directly to enter hydraulic jack through return line, oil return cleaner, complete the locking position suppressing device;
When operating grip is to floating bit: oil suction gear pump is through oil adsorption filter, inlet line oil suction from the hydraulic jack lifter, the hydraulic oil produced is through high-pressure oil pipe, directly hydraulic jack is entered through return line, oil return cleaner by being with floating banked direction control valves, upper oil cavitie is communicated with lower oil cavitie with return line with the pipeline that declines by promoting by left and right oil cylinder, and also hydraulic jack is communicated with simultaneously; Thus realize suppressing floating of device.
The utility model has following beneficial effect:
Oil suction gear pump provides high pressure liquid force feed, and then high pressure liquid force feed enters cylinder upper cavity oil or cavity of resorption through the floating banked direction control valves of band, farm machinery can be made to be in lifting, decline, floating three kinds of states, reduce cost simultaneously.Oil cylinder is provided with to delay and falls valve, limit valve, controls falling head and decrease speed.Position gag lever post is connected with control stick, controls the hoisting depth of farm machinery.
For the farming of hard soil property, farm machinery can be made to force to bury, increase ploughing depth.Control farm machinery decrease speed, be beneficial to protection farm machinery.Position control, floating control can be realized to farm machinery, be convenient to farming.
Accompanying drawing explanation
Fig. 1 is the structural representation that device suppressed by a kind of small-power wheel tractor of the present utility model;
Fig. 2 is the schematic diagram that device suppressed by a kind of small-power wheel tractor of the present utility model;
Fig. 3 is the oil cylinder mounting structure schematic diagram that device suppressed by a kind of small-power wheel tractor of the present utility model.
In figure: 1, hydraulic jack; 2, oil adsorption filter; 3, oil suction gear pump; 4, oil return cleaner; 5, the floating banked direction control valves of band; 6, slow valve falls; 7, limit valve; 8, right oil cylinder; 9, left oil cylinder; 10, oil cylinder descending spacing block; 11, lifter; 12, lower link; 13, lifting arm; 14, oil cylinder piston; 15, position gag lever post; 16, operating grip; 17, inlet line; 18, pressure duct; 19, right oil cylinder lift line; 20, right oil cylinder decline pipeline; 21, return line; 22, left oil cylinder decline pipeline; 23, left oil cylinder lift line.
Embodiment
Relevant detailed description of the present utility model and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides with reference to the use with explanation, is not used for being limited the utility model.
According to Fig. 1-3, this small-power wheel tractor is suppressed device and is comprised lifter 11, there is in lifter a hydraulic jack 1, lifter is connected with lifting arm 13, lifting arm lower end and lower link 12 hinged, also comprise oil adsorption filter 2, oil suction gear pump 3, oil return cleaner 4, the floating banked direction control valves 5 of band, right oil cylinder 8, left oil cylinder 9, described oil suction gear pump one end is connected to hydraulic jack by oil adsorption filter 2, the route of the other end and the floating banked direction control valves 5 of band is connected, the described band banked direction control valves that floats connects again right oil cylinder 8 successively, left oil cylinder 9, described right oil cylinder, left cylinder upper end is all hinged with lifting arm, the float loop of banked direction control valves of described band is connected to hydraulic jack by oil return cleaner 4 again, described lifter is also installed a position control operating grip 16, described operating grip is connected by Q type support and the floating banked direction control valves of band.Described right oil cylinder, left oil cylinder are all connected with respective limit valve 7.Described right oil cylinder is also connected with to delay and falls valve 6, and described right oil cylinder connects limit valve successively, delays and fall valve, is then connected to the loop of the floating banked direction control valves of band.Described lifting arm is also connected to operating grip by the position gag lever post 15 of self front end.
Its course of work is as follows, when operating grip 16 is to lifting position, oil suction gear pump 3 is through oil adsorption filter 3, inlet line 17 oil suction from the hydraulic jack 1 lifter 11, the hydraulic oil produced is through 18 high-pressure oil pipes, right oil cylinder 8 lower oil cavitie is entered by being with floating banked direction control valves 5, the lower oil cavitie of left oil cylinder 9 is entered by left oil cylinder lift line 23, left oil cylinder 9 upper oil cavitie enters right oil cylinder 8 upper oil cavitie by doing oil cylinder decline pipeline 22, then banked direction control valves 5 is got back to by right oil cylinder decline pipeline 20, eventually pass return line 21, oil return cleaner 4 enters hydraulic jack 1, complete the lifting of suppressing device,
When hydraulic jack control crank is to decline position, oil suction gear pump 3 is through oil adsorption filter 2, inlet line 17 oil suction from the hydraulic jack 1 lifter 11, the hydraulic oil produced is through 18 high-pressure oil pipes, right oil cylinder 8 upper oil cavitie is entered by being with floating banked direction control valves 5, the upper oil cavitie of left oil cylinder 9 is entered by left oil cylinder decline pipeline 22, left oil cylinder 9 lower oil cavitie promotes and falls pipeline 23 by making oil cylinder and enter right oil cylinder 8 lower oil cavitie, then banked direction control valves 5 is got back to by right oil cylinder lift line 19, eventually pass return line 21, oil return cleaner 4 enters hydraulic jack 1, complete the decline of suppressing device,
When control crank is to neutral position, oil suction gear pump 3 is through oil adsorption filter 2, inlet line 17 oil suction from the hydraulic jack 1 lifter 11, the hydraulic oil produced is through 18 high-pressure oil pipes, by being with floating banked direction control valves 5 directly to enter hydraulic jack 1 through return line 21, oil return cleaner 4, complete the locking position suppressing device;
When operating grip is to floating bit: oil suction gear pump 3 is through oil adsorption filter 2, inlet line 17 oil suction from the hydraulic jack 1 lifter 11, the hydraulic oil produced is through 18 high-pressure oil pipes, directly hydraulic jack 1 is entered through return line 21, oil return cleaner 4 by being with floating banked direction control valves 5, upper oil cavitie is communicated with lower oil cavitie with return line with the pipeline that declines by promoting by left and right oil cylinder, and also hydraulic jack is communicated with simultaneously.Thus realize suppressing floating of device.
Suppress device when being in lifting state, when rising to desired location, position gag lever post 15 can promote control crank 16 makes the band banked direction control valves 5 that floats be switched to neutral position by raised position, realizes the control of position.
The foregoing is only preferred embodiment of the present utility model, be not used to limit the scope of the claims of the present utility model, other use the equivalence of patent spirit of the present utility model to change, and all should all belong to the scope of the claims of the present utility model.

Claims (5)

1. device suppressed by small-power wheel tractor, comprise lifter, there is in lifter a hydraulic jack, lifter is connected with lifting arm, lifting arm lower end and lower link hinged, it is characterized in that, also comprise oil adsorption filter, oil suction gear pump, oil return cleaner, the floating banked direction control valves of band, right oil cylinder, left oil cylinder, described oil suction gear pump one end is connected to hydraulic jack by oil adsorption filter, the route of the other end and the floating banked direction control valves of band is connected, the described band banked direction control valves that floats connects right oil cylinder again successively, left oil cylinder, described right oil cylinder, left cylinder upper end is all hinged with lifting arm, the float loop of banked direction control valves of described band is connected to hydraulic jack by oil return cleaner again, described lifter is also installed a position control operating grip, described operating grip is connected by Q type support and the floating banked direction control valves of band.
2. device suppressed by small-power wheel tractor according to claim 1, it is characterized in that, described right oil cylinder, left oil cylinder are all connected with respective limit valve.
3. device suppressed by small-power wheel tractor according to claim 2, it is characterized in that, described right oil cylinder is also connected with to delay and falls valve, and described right oil cylinder connects limit valve successively, delays and fall valve, is then connected to the loop of the floating banked direction control valves of band.
4. device suppressed by small-power wheel tractor according to claim 1, it is characterized in that, described lifting arm is also connected to operating grip by the position gag lever post of self front end.
5. device suppressed by small-power wheel tractor according to claim 1, it is characterized in that, described operating grip is to when promoting position, oil suction gear pump is through oil adsorption filter, inlet line oil suction from the hydraulic jack lifter, the hydraulic oil produced is through high-pressure oil pipe, right oil cylinder lower oil cavitie is entered by being with floating banked direction control valves, the lower oil cavitie of left oil cylinder is entered by left oil cylinder lift line, left oil cylinder upper oil cavitie enters right oil cylinder upper oil cavitie by doing oil cylinder decline pipeline, then banked direction control valves is got back to by right oil cylinder decline pipeline, eventually pass return line, oil return cleaner enters hydraulic jack, complete the lifting of suppressing device,
When hydraulic jack control crank is to decline position, oil suction gear pump is through oil adsorption filter, inlet line oil suction from the hydraulic jack lifter, the hydraulic oil produced is through high-pressure oil pipe, right oil cylinder upper oil cavitie is entered by being with floating banked direction control valves, the upper oil cavitie of left oil cylinder is entered by left oil cylinder decline pipeline, left oil cylinder lower oil cavitie promotes and falls pipeline by making oil cylinder and enter right oil cylinder lower oil cavitie, then banked direction control valves is got back to by right oil cylinder lift line, eventually pass return line, oil return cleaner enters hydraulic jack, complete the decline of suppressing device;
When control crank is to neutral position, oil suction gear pump is through oil adsorption filter, inlet line oil suction from the hydraulic jack lifter, the hydraulic oil produced is through high-pressure oil pipe, by being with floating banked direction control valves directly to enter hydraulic jack through return line, oil return cleaner, complete the locking position suppressing device;
When operating grip is to floating bit: oil suction gear pump is through oil adsorption filter, inlet line oil suction from the hydraulic jack lifter, the hydraulic oil produced is through high-pressure oil pipe, directly hydraulic jack is entered through return line, oil return cleaner by being with floating banked direction control valves, upper oil cavitie is communicated with lower oil cavitie with return line with the pipeline that declines by promoting by left and right oil cylinder, and also hydraulic jack is communicated with simultaneously; Thus realize suppressing floating of device.
CN201520258273.6U 2015-04-23 2015-04-23 Device suppressed by small-power wheel tractor Active CN204616310U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520258273.6U CN204616310U (en) 2015-04-23 2015-04-23 Device suppressed by small-power wheel tractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520258273.6U CN204616310U (en) 2015-04-23 2015-04-23 Device suppressed by small-power wheel tractor

Publications (1)

Publication Number Publication Date
CN204616310U true CN204616310U (en) 2015-09-09

Family

ID=54035396

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520258273.6U Active CN204616310U (en) 2015-04-23 2015-04-23 Device suppressed by small-power wheel tractor

Country Status (1)

Country Link
CN (1) CN204616310U (en)

Similar Documents

Publication Publication Date Title
CN104454738B (en) Agriculture machine control valve
CN202851480U (en) Cooling bed skirting board hydraulic control device
CN205013408U (en) Differential hydraulic control device is entirely cut to steel scrap
CN104782258A (en) Forced compression device of low power roller tractor
CN203384136U (en) Speed exchange circuit with parallel speed control valves
CN204616310U (en) Device suppressed by small-power wheel tractor
CN207406583U (en) A kind of buffer loop and the hydraulic control system comprising this buffer loop
CN102966132A (en) Swing arm descending control loop of hydraulic excavator
CN202937181U (en) Hydraulic oil-way system of anchor rod drilling machine
CN102653378A (en) Hydraulic device for synchronization action of two side hydraulic supporting legs of lorry-mounted crane
CN105298967B (en) A kind of big-powered tractor lifter valve group
CN203532368U (en) Crane and hoisting hydraulic system thereof
CN203051270U (en) Roller tractor synchronous hoisting pressed-into-soil hydraulic system
CN103508368A (en) Hydraulic jack
CN203655753U (en) Double-acting hydraulic distributor
CN202040138U (en) Multichannel reversing valve
CN104235108A (en) Accelerating loop of gantry lifter accelerating cylinder
CN205136191U (en) High horse power tractor lifting mechanism valves
CN204408872U (en) Used with tractor suppresses lifter
CN202040139U (en) Multichannel reversing valve
CN203569609U (en) Floating control device for shovel blade of grader
CN205046602U (en) Excavator manipulator
CN204003682U (en) A kind of double pump fuel feeding fast acting control system
CN203962522U (en) On loader for the hydraulic work system of cleaning agency
CN204435370U (en) A kind of shoe of new structure

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant